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EC7 and the application of analytical and empirical models to rock engineering
University of Toronto.
KTH, School of Architecture and the Built Environment (ABE), Civil and Architectural Engineering, Soil and Rock Mechanics.
2014 (English)In: Rock Engineering and Rock Mechanics: Structures in and on Rock Masses - Proceedings of EUROCK 2014, ISRM European Regional Symposium, CRC Press, 2014, 1511-1516 p.Conference paper, Published paper (Refereed)
Abstract [en]

The development of EC7 seems to have proceeded with little, if any, input from the rock engineering community, such that the current version of EC7 reveals many difficulties with regard to rock engineering design. Here, following a brief review of various key aspects of the limit state design philosophy adopted by EC7, some of these difficulties in terms of empirical and analytical approaches to rock engineering design are outlined. In particular, EC7 appears to separate the concepts of empiricism, theory, prescriptive measures and observational methods, whereas these are often used in combination in rock engineering design, with empiricism being as a central theme. Similarly, the absence of partial factors for rock mechanics properties is shown to severely limit the applicability of the Design Approaches presented in EC7, and the definitions of Geotechnical Categories given in the code are seen to be unsuitable for some rock engineering designs. Overall, a key difficulty with the code seems to be the lack of recognition of the central and necessary role that empiricism plays in rock engineering design. The challenge for the immediate future is to align EC7 with rock engineering practice, so that it becomes universally applicable to rock engineering design.

Place, publisher, year, edition, pages
CRC Press, 2014. 1511-1516 p.
National Category
Geotechnical Engineering
Identifiers
URN: urn:nbn:se:kth:diva-147826ISI: 000345985300246Scopus ID: 2-s2.0-84901310822ISBN: 978-1-138-00149-7 (print)OAI: oai:DiVA.org:kth-147826DiVA: diva2:732394
Conference
2014 ISRM European Regional Symposium on Rock Engineering and Rock Mechanics: Structures in and on Rock Masses, EUROCK 2014; Vigo; Spain; 26 May 2014 through 28 May 2014
Note

QC 20150414

Available from: 2014-07-04 Created: 2014-07-04 Last updated: 2015-04-14Bibliographically approved

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CiteExportLink to record
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Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
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  • nn-NB
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  • Other locale
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Output format
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